60 wildflowers were recorded blooming in Indiana in June in our iNaturalist sample; 31 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top wildflowers in June

American black elderberry

Fire Pink

Butterfly Milkweed

Common Milkweed

Climbing Prairie Rose

black-eyed Susan

Carolina horsenettle

Fringed Loosestrife

American trumpet vine

Swamp Rose
Common Hoptree

American water-willow
All wildflowers blooming in Indiana in June
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | American black elderberry | Sambucus canadensis | elder family | 210 | Jun (peak) |
| 2 | Fire Pink | Silene virginica | pink family | 116 | May (past peak) |
| 3 | Butterfly Milkweed | Asclepias tuberosa | Dogbane Family | 103 | Jun (peak) |
| 4 | Common Milkweed | Asclepias syriaca | Dogbane Family | 102 | Jun (peak) |
| 5 | Climbing Prairie Rose | Rosa setigera | rose family | 73 | Jun (peak) |
| 6 | black-eyed Susan | Rudbeckia hirta | Sunflowers, Daisies, Asters, and Allies | 63 | Jun (peak) |
| 7 | Carolina horsenettle | Solanum carolinense | nightshade family | 53 | Jun (peak) |
| 8 | Fringed Loosestrife | Lysimachia ciliata | primrose family | 46 | Jul (rising) |
| 9 | American trumpet vine | Campsis radicans | bignonia family | 44 | Jul (rising) |
| 10 | Swamp Rose | Rosa palustris | rose family | 43 | Jul (rising) |
| 11 | Common Hoptree | Ptelea trifoliata | citrus family | 40 | Jun (peak) |
| 12 | American water-willow | Justicia americana | Acanthus Family | 40 | Jun (peak) |
| 13 | Moth Mullein | Verbascum blattaria | figwort family | 39 | Jun (peak) |
| 14 | Purple Crownvetch | Securigera varia | Legumes | 39 | Jun (peak) |
| 15 | False Sunflower | Heliopsis helianthoides | Sunflowers, Daisies, Asters, and Allies | 38 | Jul (rising) |
| 16 | Common Jewelweed | Impatiens capensis | balsam family | 37 | Sep (rising) |
| 17 | Poison Hemlock | Conium maculatum | carrot family | 37 | May (past peak) |
| 18 | Field Bindweed | Convolvulus arvensis | bindweed family | 37 | Jun (peak) |
| 19 | Foxglove Beardtongue | Penstemon digitalis | Plantain Family | 37 | Jun (peak) |
| 20 | Border Privet | Ligustrum obtusifolium | olive family | 37 | Jun (peak) |
| 21 | Hemp Dogbane | Apocynum cannabinum | Dogbane Family | 36 | Jun (peak) |
| 22 | Deptford pink | Dianthus armeria | pink family | 34 | Jun (peak) |
| 23 | Yellow Sweetclover | Melilotus officinalis | Legumes | 33 | Jun (peak) |
| 24 | Red Clover | Trifolium pratense | Legumes | 31 | Jun (peak) |
| 25 | Red Columbine | Aquilegia canadensis | buttercup family | 30 | May (past peak) |
| 26 | Poke Milkweed | Asclepias exaltata | Dogbane Family | 30 | Jun (peak) |
| 27 | Bird's-Foot Trefoil | Lotus corniculatus | Legumes | 29 | Jun (peak) |
| 28 | Ohio spiderwort | Tradescantia ohiensis | Spiderworts | 29 | Jun (peak) |
| 29 | Purple Milkweed | Asclepias purpurascens | Dogbane Family | 28 | Jun (peak) |
| 30 | Broadleaf Enchanter's Nightshade | Circaea canadensis | evening primrose family | 28 | Jun (peak) |
| 31 | Michigan lily | Lilium michiganense | lily family | 27 | Jul (rising) |
| 32 | Pale Jewelweed | Impatiens pallida | balsam family | 26 | Sep (rising) |
| 33 | Orange Day-Lily | Hemerocallis fulva | Aloe family | 26 | Jun (peak) |
| 34 | White Bergamot | Monarda clinopodia | Mint Family | 26 | Jun (peak) |
| 35 | Chicory | Cichorium intybus | Sunflowers, Daisies, Asters, and Allies | 25 | Jul (rising) |
| 36 | Sulphur Cinquefoil | Potentilla recta | rose family | 25 | Jun (peak) |
| 37 | Striped Wintergreen | Chimaphila maculata | heath family | 25 | Jun (peak) |
| 38 | Purple Rocket | Iodanthus pinnatifidus | mustard family | 25 | May (past peak) |
| 39 | Multiflora Rose | Rosa multiflora | rose family | 24 | May (past peak) |
| 40 | Goat's Rue | Tephrosia virginiana | Legumes | 24 | Jun (peak) |
| 41 | creeping Jenny | Lysimachia nummularia | primrose family | 23 | Jun (peak) |
| 42 | Japanese honeysuckle | Lonicera japonica | honeysuckle family | 22 | Jun (peak) |
| 43 | Wild Bergamot | Monarda fistulosa | Mint Family | 22 | Jul (rising) |
| 44 | Buttonbush | Cephalanthus occidentalis | madder family | 21 | Jul (rising) |
| 45 | White Clover | Trifolium repens | Legumes | 21 | May (past peak) |
| 46 | White Sweetclover | Melilotus albus | Legumes | 21 | Jun (peak) |
| 47 | Partridgeberry | Mitchella repens | madder family | 21 | May (past peak) |
| 48 | Common Selfheal | Prunella vulgaris | Mint Family | 20 | Jul (rising) |
| 49 | Asiatic dayflower | Commelina communis | Spiderworts | 20 | Sep (rising) |
| 50 | Oxeye Daisy | Leucanthemum vulgare | Sunflowers, Daisies, Asters, and Allies | 20 | Jun (peak) |